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Diffstat (limited to 'msm8909/sdm/libs/hwc/blit_engine_c2d.h')
-rw-r--r-- | msm8909/sdm/libs/hwc/blit_engine_c2d.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/msm8909/sdm/libs/hwc/blit_engine_c2d.h b/msm8909/sdm/libs/hwc/blit_engine_c2d.h new file mode 100644 index 00000000..6536d442 --- /dev/null +++ b/msm8909/sdm/libs/hwc/blit_engine_c2d.h @@ -0,0 +1,121 @@ +/* Copyright (c) 2012 - 2016, The Linux Foundation. All rights reserved. +* +* Redistribution and use in source and binary forms, with or without +* modification, are permitted provided that the following conditions are +* met: +* * Redistributions of source code must retain the above copyright +* notice, this list of conditions and the following disclaimer. +* * Redistributions in binary form must reproduce the above +* copyright notice, this list of conditions and the following +* disclaimer in the documentation and/or other materials provided +* with the distribution. +* * Neither the name of The Linux Foundation nor the names of its +* contributors may be used to endorse or promote products derived +* from this software without specific prior written permission. +* +* +* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED +* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT +* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS +* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR +* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE +* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN +* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +* Portions formerly licensed under Apache License, Version 2.0, are re licensed +* under section 4 of Apache License, Version 2.0. + +* Copyright (C) 2010 The Android Open Source Project + +* Not a Contribution. + +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at + +* http://www.apache.org/licenses/LICENSE-2.0 + +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +/*! @file blit_engine.h + @brief Interface file for Blit based compositior. + + @details The client can use this interface to get the blit composition done + +*/ + +#include <hardware/hwcomposer.h> +#include <core/layer_stack.h> +#include <copybit.h> +#include "blit_engine.h" + +#ifndef __BLIT_ENGINE_C2D_H__ +#define __BLIT_ENGINE_C2D_H__ + +namespace sdm { + +// C2D Blit implemented by the client +// This class implements the BlitEngine Interface which is used to get the +// Blit composition using C2D +class BlitEngineC2d : public BlitEngine { + public: + BlitEngineC2d(); + virtual ~BlitEngineC2d(); + + virtual int Init(); + virtual void DeInit(); + virtual int Prepare(LayerStack *layer_stack); + virtual int PreCommit(hwc_display_contents_1_t *content_list, LayerStack *layer_stack); + virtual int Commit(hwc_display_contents_1_t *content_list, LayerStack *layer_stack); + virtual void PostCommit(LayerStack *layer_stack); + virtual bool BlitActive(); + virtual void SetFrameDumpConfig(uint32_t count); + + + private: + static const uint32_t kNumBlitTargetBuffers = 3; + + struct Range { + int current; + int end; + }; + + struct RegionIterator : public copybit_region_t { + explicit RegionIterator(LayerRectArray rect); + private: + static int iterate(copybit_region_t const *self, copybit_rect_t *rect); + LayerRectArray rect_array; + mutable Range r; + }; + + int AllocateBlitTargetBuffers(uint32_t width, uint32_t height, uint32_t format, uint32_t usage); + void FreeBlitTargetBuffers(); + int ClearTargetBuffer(private_handle_t* hnd, const LayerRect& rect); + int DrawRectUsingCopybit(hwc_layer_1_t *hwc_layer, Layer *layer, LayerRect blit_rect, + LayerRect blit_dest_Rect); + void SetReleaseFence(int fence_fd); + void DumpBlitTargetBuffer(int fd); + + copybit_device_t *blit_engine_c2d_ = NULL; + private_handle_t *blit_target_buffer_[kNumBlitTargetBuffers]; + uint32_t current_blit_target_index_ = 0; + int release_fence_fd_[kNumBlitTargetBuffers]; + uint32_t num_blit_target_ = 0; + int blit_target_start_index_ = 0; + bool blit_active_ = false; + uint32_t dump_frame_count_ = 0; + uint32_t dump_frame_index_ = 0; +}; + +} // namespace sdm + +#endif // __BLIT_ENGINE_C2D_H__ |